Home
Class 12
PHYSICS
A dipole of dipole moment oversetto p, ...

A dipole of dipole moment ` oversetto p, ` is present in a uniform electric field ` oversetto E.` Write the value of the a between `oversetto p and oversetto E ` for which the torque experienced by the dipole is minimum.

Text Solution

Verified by Experts

Torque ` oversetto tau ` is minimum when angle between `oversetto p and oversetto E ` is either zero or `pi ` rad.
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CHARGES AND FIELDS

    U-LIKE SERIES|Exercise SHORT ANSWER QUESTIONS|29 Videos

  • ELECTRIC CHARGES AND FIELDS

    U-LIKE SERIES|Exercise LONG ANSWER QUESTIONS -I|30 Videos

  • ELECTRIC CHARGES AND FIELDS

    U-LIKE SERIES|Exercise ASSERTION-REASON TYPE QUESTIONS|5 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    U-LIKE SERIES|Exercise SELF ASSESSMENT TEST SECTION-C (VERY SHORT ANSWER QUESTIONS)|3 Videos

  • ELECTROMAGNETIC WAVES

    U-LIKE SERIES|Exercise SELF ASSESSMENT TEST (SECTION C)|1 Videos

Similar Questions

Explore conceptually related problems

An electric dipole of dipole moment p is placed in a uniform external electric field E. Then, the

A dipole of dipole moment vec(P) is placed in uniform electric field vec(E) , then torque acting on it is given by

A dipole of moment vecp is placed in a uniform electric field vecE . The force on the dipole is vecF and the torque is vec(tau)

A dipole of electric dipole moment p is placed in a uniform electric field of strength E. If theta is the angle between positive directon of p and E, then the potential energy of electric dipole is larger when theta is-

A dipole of electric dipole moment p is placed in a uniform electric field of strength E. If theta is the angle between positive direction of p and E, then the potential energy of the electric dipole is largest when theta is

An electric dipole of dipole moment P is lying along uniform electric field E. The work done in rotating the dipole by 37° is

An electric dipole of dipole miment vec(p) is placed in a uniform electric field vec(E ) . Write the expression for the torque vec tau experienced by the dopole. Identify two pairs of perpendicular vectors in the expression. Show diagrammatically the orientation of hte dipole in the field for which the torque is (i) maximum and (ii) half the minimum value, and (iii) zero.

U-LIKE SERIES-ELECTRIC CHARGES AND FIELDS -VERY SHORT ANSWER QUESTIONS
  1. Which orientation of an electric dipole in a uniform electric field co...

    Text Solution

    |

  2. Is the electric field due to a charge configuration with total charge ...

    Text Solution

    |

  3. What is the net force on a dipole placed in a uniform electric field?

    Text Solution

    |

  4. A dipole of dipole moment oversetto p, is present in a uniform elect...

    Text Solution

    |

  5. What is the angle between the directions of electric field at any (i) ...

    Text Solution

    |

  6. In which case are the electric field lines parallel to one another?

    Text Solution

    |

  7. When is the torque acting on an electric dipole placed in a uniform el...

    Text Solution

    |

  8. Define electric flux. Write its SI unit. It a scalar or a vector quant...

    Text Solution

    |

  9. State Gauss' law in electrostatic.

    Text Solution

    |

  10. A chrage 'q' is placed at the centre of a cube of side 'l' . What is t...

    Text Solution

    |

  11. Two charges of magnitude -2Q and +Q are located at points (a,0) and (...

    Text Solution

    |

  12. Show three points charges +2q. -q and +3q, Two charges +2q and -q are ...

    Text Solution

    |

  13. An arbitary surface enclose an electric dipole of dipole moment 20 xx ...

    Text Solution

    |

  14. How does the electric flux due to a point charge enclosed by a spheric...

    Text Solution

    |

  15. Two metallic sphere A and B kept on insulating stand are in contact wi...

    Text Solution

    |

  16. A metal sphere is kept on an insulating stand. A negatively charged ro...

    Text Solution

    |

  17. Draw a plot showing variation of electric field with distance from the...

    Text Solution

    |

  18. A metalic spherical shell has an inner radius R1 and outer radius R2 ...

    Text Solution

    |

  19. Two identical conducting balls A and B have charges -Q and +3Q respec...

    Text Solution

    |

  20. A sphere S1 of radius r enclose a total charge Q. If there is anothe...

    Text Solution

    |